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[Bug debug/31412] [4.3] inf loop/long compile time, time spent in var-tracking.c
- From: "paolo dot bonzini at lu dot unisi dot ch" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Apr 2007 12:59:19 -0000
- Subject: [Bug debug/31412] [4.3] inf loop/long compile time, time spent in var-tracking.c
- References: <bug-31412-12387@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #12 from paolo dot bonzini at lu dot unisi dot ch 2007-04-03 13:59 -------
Subject: Re: [4.3] inf loop/long compile time, time spent
in var-tracking.c
> With dataflow branch that was compiled with profiling the testcase finishes
> not too slow:
This suggest that it is a bug in the dataflow computation, causing
it to oscillate and not terminate. Different RTL just causes the
bug not to trigger.
Paolo
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31412